$127+ Cheap flights from San Diego (SAN) to New Hampshire
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — MHT
Jul 12 — Jul 191
Round-trip
1 adult, Economy
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Find cheap flights from San Diego to New Hampshire with Cheapflights
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Cheapest flights from San Diego to New HampshireExplore the most affordable flight options available from San Diego to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2026.
Explore the most affordable flight options available from San Diego to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2026.
This American Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/109:55 pm
SAN
- BOS
1 stop7h 48m
American Airlines
Tue 7/1412:38 pm
BOS
- SAN
1 stop10h 25m
American Airlines
Deal found 6/8![American Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/179:30 pm
SAN
- BOS
Nonstop5h 30m
Southwest
Mon 9/2111:15 am
BOS
- SAN
Nonstop5h 55m
Southwest
Deal found 6/8![Southwest logo]()
$258
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/269:30 pm
SAN
- BOS
Nonstop5h 30m
Southwest
Sat 10/35:25 am
BOS
- SAN
1 stop8h 00m
Southwest
Deal found 6/7![Southwest logo]()
$260
This Expedia deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/38:44 pm
SAN
- BOS
1 stop9h 01m
Multiple Airlines
Wed 8/128:28 am
BOS
- SAN
Nonstop6h 15m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$262
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:50 pm
SAN
- BOS
1 stop7h 25m
Southwest
Tue 10/208:20 am
BOS
- SAN
Nonstop6h 10m
Southwest
Deal found 6/7![Southwest logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/68:52 pm
SAN
- BOS
Nonstop5h 48m
Alaska Airlines
Wed 7/158:28 am
BOS
- SAN
Nonstop6h 15m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$264
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:50 pm
SAN
- BOS
1 stop7h 25m
Southwest
Tue 10/278:20 am
BOS
- SAN
Nonstop6h 10m
Southwest
Deal found 6/8![Southwest logo]()
$265
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:30 pm
SAN
- BOS
2 stops9h 30m
Southwest
Mon 10/196:00 pm
BOS
- SAN
1 stop8h 20m
Southwest
Deal found 6/9![Southwest logo]()
$266
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1510:02 pm
SAN
- BOS
Nonstop5h 38m
Delta
Tue 9/15:20 pm
BOS
- SAN
Nonstop6h 15m
Delta
Deal found 6/8![Delta logo]()
$267
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/249:30 pm
SAN
- BOS
Nonstop5h 30m
Southwest
Mon 9/285:00 am
BOS
- SAN
1 stop8h 10m
Southwest
Deal found 6/8![Southwest logo]()
$268
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/63:55 pm
SAN
- BOS
Nonstop5h 30m
Southwest
Tue 8/113:20 pm
BOS
- SAN
1 stop10h 15m
Southwest
Deal found 6/7![Southwest logo]()
$269
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:50 pm
SAN
- BOS
1 stop8h 55m
Southwest
Mon 10/266:00 pm
BOS
- SAN
1 stop8h 20m
Southwest
Deal found 6/9![Southwest logo]()
$270
Best flights from San Diego to New HampshireDiscover carefully curated flight deals from San Diego to New Hampshire that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2026.
Discover carefully curated flight deals from San Diego to New Hampshire that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/58:52 pm
SAN
- BOS
Nonstop5h 48m
Alaska Airlines
Fri 8/144:33 pm
BOS
- SAN
Nonstop6h 20m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$267
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:02 pm
SAN
- BOS
Nonstop5h 38m
Delta
Wed 9/25:20 pm
BOS
- SAN
Nonstop6h 15m
Delta
Deal found 6/11![Delta logo]()
$267
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/72:45 pm
SAN
- BOS
Nonstop5h 35m
Southwest
Tue 7/143:45 pm
BOS
- SAN
1 stop10h 40m
Southwest
Deal found 6/9![Southwest logo]()
$277
This JetBlue deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:30 pm
SAN
- BOS
1 stop7h 39m
JetBlue
Mon 8/315:01 am
BOS
- SAN
1 stop8h 17m
JetBlue
Deal found 6/10![JetBlue logo]()
$292
This American Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:15 am
SAN
- ORH
1 stop7h 36m
American Airlines
Mon 7/135:16 pm
ORH
- SAN
1 stop21h 04m
American Airlines
Deal found 6/7![American Airlines logo]()
$328
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:45 am
SAN
- PWM
3 stops11h 47m
United Airlines
Sat 9/55:03 pm
PWM
- SAN
1 stop8h 05m
United Airlines
Deal found 6/11![United Airlines logo]()
$443
This Alaska Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/288:59 pm
SAN
- BOS
Nonstop5h 50m
Alaska Airlines
Thu 9/36:17 pm
BOS
- SAN
Nonstop6h 13m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$267
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:05 am
SAN
- BOS
2 stops10h 20m
Southwest
Tue 9/85:35 am
BOS
- SAN
1 stop7h 35m
Southwest
Deal found 6/8![Southwest logo]()
$280
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:42 pm
SAN
- PWM
1 stop7h 43m
Delta
Tue 9/296:30 am
PWM
- SAN
2 stops13h 36m
Delta
Deal found 6/9![Delta logo]()
$316
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:05 am
SAN
- BOS
2 stops10h 20m
Southwest
Mon 9/75:40 am
BOS
- SAN
1 stop7h 40m
Southwest
Deal found 6/10![Southwest logo]()
$290
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/149:00 pm
SAN
- BOS
2 stops9h 55m
Southwest
Thu 9/249:40 am
BOS
- SAN
1 stop10h 30m
Southwest
Deal found 6/10![Southwest logo]()
$292
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/29:50 pm
SAN
- BOS
Nonstop5h 37m
Delta
Tue 8/115:20 pm
BOS
- SAN
Nonstop6h 15m
Delta
Deal found 6/10![Delta logo]()
$323
This Alaska Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:00 am
SAN
- BOS
Nonstop5h 42m
Alaska Airlines
Mon 11/235:45 pm
BOS
- SAN
Nonstop6h 23m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$323
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:30 pm
SAN
- BOS
2 stops8h 40m
Southwest
Tue 11/171:15 pm
BOS
- SAN
1 stop10h 40m
Southwest
Deal found 6/9![Southwest logo]()
$304
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:30 pm
SAN
- PWM
2 stops12h 19m
Delta
Mon 9/146:05 am
PWM
- SAN
1 stop9h 30m
Delta
Deal found 6/11![Delta logo]()
$349
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/203:30 pm
SAN
- BOS
1 stop13h 30m
Southwest
Sat 8/2912:10 pm
BOS
- SAN
2 stops10h 40m
Southwest
Deal found 6/11![Southwest logo]()
$305
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:40 pm
SAN
- PWM
1 stop9h 00m
United Airlines
Sat 9/265:15 am
PWM
- SAN
1 stop9h 10m
United Airlines
Deal found 6/8![United Airlines logo]()
$449
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/99:55 pm
SAN
- ORH
1 stop15h 56m
American Airlines
Mon 7/135:16 pm
ORH
- SAN
2 stops18h 48m
American Airlines
Deal found 6/11![American Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:15 am
SAN
- PWM
2 stops15h 44m
Delta
Wed 8/196:05 am
PWM
- SAN
1 stop8h 02m
Delta
Deal found 6/11![Delta logo]()
$360
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/39:55 pm
SAN
- ORH
1 stop15h 56m
American Airlines
Mon 7/65:16 pm
ORH
- SAN
1 stop21h 04m
American Airlines
Deal found 6/11![American Airlines logo]()
$462
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:00 am
SAN
- MHT
1 stop8h 00m
United Airlines
Wed 9/29:25 am
MHT
- SAN
1 stop8h 32m
United Airlines
Deal found 6/11![United Airlines logo]()
$491
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/39:55 pm
SAN
- ORH
1 stop15h 56m
American Airlines
Sun 7/55:16 pm
ORH
- SAN
1 stop21h 04m
American Airlines
Deal found 6/10![American Airlines logo]()
$462
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/291:19 pm
SAN
- MHT
1 stop8h 03m
American Airlines
Wed 7/156:18 pm
MHT
- SAN
1 stop8h 08m
American Airlines
Deal found 6/12![American Airlines logo]()
$466
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:17 pm
SAN
- PWM
2 stops12h 56m
Delta
Sun 9/66:05 am
PWM
- SAN
1 stop8h 15m
Delta
Deal found 6/8![Delta logo]()
$428
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1410:40 pm
SAN
- MHT
1 stop9h 10m
Southwest
Tue 7/215:45 am
MHT
- SAN
1 stop8h 25m
Southwest
Deal found 6/8![Southwest logo]()
$397
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1310:15 pm
SAN
- ORH
2 stops15h 45m
Delta
Thu 8/135:40 pm
ORH
- SAN
2 stops30h 18m
Delta
Deal found 6/7![Delta logo]()
$457
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/97:40 pm
SAN
- MHT
2 stops10h 00m
Southwest
Tue 7/149:10 am
MHT
- SAN
2 stops13h 25m
Southwest
Deal found 6/9![Southwest logo]()
$426
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1310:10 pm
SAN
- PWM
1 stop12h 43m
Delta
Thu 11/266:00 am
PWM
- SAN
1 stop10h 08m
Delta
Deal found 6/7![Delta logo]()
$477
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1011:15 am
SAN
- MHT
1 stop9h 55m
Southwest
Tue 7/143:55 pm
MHT
- SAN
2 stops10h 30m
Southwest
Deal found 6/11![Southwest logo]()
$451
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1310:15 pm
SAN
- ORH
2 stops15h 45m
Delta
Tue 8/115:40 pm
ORH
- SAN
2 stops22h 36m
Delta
Deal found 6/7![Delta logo]()
$513
Last-minute flights from San Diego to New HampshireDiscover last-minute flight deals from San Diego to New Hampshire. Data last updated June 12, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to New Hampshire. Data last updated June 12, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/38:44 pm
SAN
- BOS
1 stop9h 01m
Multiple Airlines
Wed 8/128:28 am
BOS
- SAN
Nonstop6h 15m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$262
This Cheapflightsfares deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/38:40 pm
SAN
- BOS
Nonstop5h 40m
JetBlue
Mon 9/75:01 am
BOS
- SAN
1 stop8h 17m
JetBlue
Deal found 6/8![JetBlue logo]()
$272
This JetBlue deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/38:40 pm
SAN
- BOS
Nonstop5h 40m
JetBlue
Wed 7/156:05 am
BOS
- SAN
Nonstop6h 04m
JetBlue
Deal found 6/8![JetBlue logo]()
$280
This JetBlue deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/38:44 pm
SAN
- BOS
1 stop9h 01m
JetBlue
Thu 8/134:20 pm
BOS
- SAN
Nonstop6h 08m
JetBlue
Deal found 6/7![JetBlue logo]()
$282
This Alaska Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:00 am
SAN
- BOS
Nonstop5h 51m
Alaska Airlines
Fri 8/144:33 pm
BOS
- SAN
Nonstop6h 20m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/68:52 pm
SAN
- BOS
Nonstop5h 48m
Alaska Airlines
Wed 7/158:28 am
BOS
- SAN
Nonstop6h 15m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$264
This American Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/69:55 pm
SAN
- BOS
1 stop9h 00m
American Airlines
Tue 7/147:00 am
BOS
- SAN
1 stop8h 03m
American Airlines
Deal found 6/8![American Airlines logo]()
$274
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/72:45 pm
SAN
- BOS
Nonstop5h 35m
Southwest
Tue 7/145:30 pm
BOS
- SAN
1 stop8h 55m
Southwest
Deal found 6/8![Southwest logo]()
$277
This American Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:15 am
SAN
- ORH
1 stop7h 36m
American Airlines
Mon 7/135:16 pm
ORH
- SAN
1 stop21h 04m
American Airlines
Deal found 6/7![American Airlines logo]()
$328
This American Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/109:55 pm
SAN
- BOS
1 stop7h 48m
American Airlines
Tue 7/1412:38 pm
BOS
- SAN
1 stop10h 25m
American Airlines
Deal found 6/8![American Airlines logo]()
$257
This American Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2510:28 pm
SAN
- BOS
1 stop7h 51m
American Airlines
Tue 8/411:20 am
BOS
- SAN
1 stop10h 30m
American Airlines
Deal found 6/9![American Airlines logo]()
$283
This lol.travel deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3012:00 pm
SAN
- BOS
1 stop8h 59m
JetBlue
Wed 8/56:05 am
BOS
- SAN
Nonstop6h 04m
JetBlue
Deal found 6/10![JetBlue logo]()
$271
One-way flights from San Diego to New HampshireSearch for one-way flight options from San Diego to New Hampshire. Find affordable one-way fares based on user searches. Data last updated June 12, 2026.
Search for one-way flight options from San Diego to New Hampshire. Find affordable one-way fares based on user searches. Data last updated June 12, 2026.
This Flysmarter deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:40 am
SAN
- PWM
1 stop10h 12m
JetBlue
Deal found 6/7![JetBlue logo]()
$127
This Priceline deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:40 am
SAN
- PWM
1 stop10h 12m
JetBlue
Deal found 6/8![JetBlue logo]()
$129
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/49:30 pm
SAN
- BOS
Nonstop5h 30m
Southwest
Deal found 6/11![Southwest logo]()
$147
This Cheapflightsfares deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/318:40 pm
SAN
- BOS
Nonstop5h 39m
JetBlue
Deal found 6/9![JetBlue logo]()
$148
This JetBlue deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:40 pm
SAN
- BOS
Nonstop5h 39m
JetBlue
Deal found 6/12![JetBlue logo]()
$149
This American Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/611:10 am
SAN
- BOS
1 stop7h 56m
American Airlines
Deal found 6/8![American Airlines logo]()
$150
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/189:30 pm
SAN
- BOS
Nonstop5h 30m
Southwest
Deal found 6/11![Southwest logo]()
$152
This JetBlue deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1410:20 am
SAN
- BOS
Nonstop5h 46m
JetBlue
Deal found 6/8![JetBlue logo]()
$153
This JetBlue deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:20 pm
SAN
- BOS
Nonstop5h 44m
JetBlue
Deal found 6/10![JetBlue logo]()
$154
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:40 pm
SAN
- BOS
2 stops13h 15m
Southwest
Deal found 6/9![Southwest logo]()
$155
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:37 am
SAN
- PWM
1 stop9h 36m
Delta
Deal found 6/8![Delta logo]()
$156
This Cheapflightsfares deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:40 pm
SAN
- BOS
Nonstop5h 44m
JetBlue
Deal found 6/9![JetBlue logo]()
$157
Find flight deals from San Diego to New Hampshire
Keep the following information in mind while searching for San Diego to New Hampshire flight deals. Data was last updated June 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $257 (American Airlines) |
One-way from | $127 (Flysmarter) |
Popular in | December |
Cheapest in | October |
Average price | $380 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Diego to New Hampshire that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2026.
Use the filters below to find and compare flights from San Diego to New Hampshire that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Wed 8/5
8:52 pm-5:40 am
Nonstop5h 48m
Boston Logan Intl
Fri 8/14
4:33 pm-7:53 pm
Nonstop6h 20m
$267
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Tue 8/25
10:02 pm-6:40 am
Nonstop5h 38m
Boston Logan Intl
Wed 9/2
5:20 pm-8:35 pm
Nonstop6h 15m
$267
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Fri 8/28
8:59 pm-5:49 am
Nonstop5h 50m
Boston Logan Intl
Thu 9/3
6:17 pm-9:30 pm
Nonstop6h 13m
$267
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Tue 7/7
2:45 pm-11:20 pm
Nonstop5h 35m
Boston Logan Intl
Tue 7/14
3:45 pm-11:25 pm
1 stop10h 40m
$277
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Tue 9/1
8:05 am-9:25 pm
2 stops10h 20m
Boston Logan Intl
Tue 9/8
5:35 am-10:10 am
1 stop7h 35m
$280
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Tue 9/1
8:05 am-9:25 pm
2 stops10h 20m
Boston Logan Intl
Mon 9/7
5:40 am-10:20 am
1 stop7h 40m
$290
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Sat 8/15
8:30 pm-7:09 am
1 stop7h 39m
Boston Logan Intl
Mon 8/31
5:01 am-10:18 am
1 stop8h 17m
$292
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Mon 9/14
9:00 pm-9:55 am
2 stops9h 55m
Boston Logan Intl
Thu 9/24
9:40 am-5:10 pm
1 stop10h 30m
$292
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Fri 11/13
8:30 pm-8:10 am
2 stops8h 40m
Boston Logan Intl
Tue 11/17
1:15 pm-8:55 pm
1 stop10h 40m
$304
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Thu 8/20
3:30 pm-8:00 am
1 stop13h 30m
Boston Logan Intl
Sat 8/29
12:10 pm-7:50 pm
2 stops10h 40m
$305
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from San Diego to New Hampshire
Have a flexible travel schedule? Discover the best time to fly to New Hampshire from San Diego with our price prediction graph.
SAN-BOS
SAN-ORH
SAN-PWM
SAN-MHT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Diego to New Hampshire
SAN-USNH
SAN-BOS
SAN-ORH
SAN-PWM
SAN-MHT
What is the cheapest month to book a flight from San Diego to New Hampshire?
Currently, October is the cheapest month in which you can book a flight from San Diego to New Hampshire (average of $208). Flying from San Diego to New Hampshire in March is currently the most expensive (average of $929). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from San Diego to New Hampshire?
Reviews of airlines servicing New Hampshire
Get insights into the airlines that provide service to New Hampshire. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to New Hampshire. Reviews last updated June 12, 2026.
See what other customers who have flown with Southwest and American Airlines from San Diego to New Hampshire have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from San Diego to New Hampshire. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for San Diego to New Hampshire
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to New Hampshire by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Diego to New Hampshire by cabin class
Find flights from San Diego to New Hampshire, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Diego and New Hampshire flights
Browse other San Diego and New Hampshire flight options. Last updated on June 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
San Diego to New Hampshire flights
Consider these flights traveling from San Diego to New Hampshire.
Top 2 airlines flying from San Diego to New Hampshire
Discover the top 2 airlines that operate flights from San Diego to New Hampshire. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$245 | Average$442 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$286 | Average$405 | FlexibilityNo cancel fee | On-time71% |